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1单数句变复数句名词单数变复数的一般规则：1、一般情况直接加-seg:map--maps2、以s,x,,ch,sh结尾，直接加上–es:eg:glass--glasses3、以f或fe结尾，变f,fe为ves,eg:knife---knives4、辅音字母+y结尾，把y变i再加-es；eg:family--families5、以o结尾有生命的加es,eg:hero,tomato,potato无生命的直接加s,eg:radio---radios练习题一、把下列句子变复数句1、Thisisadog.___________________________________________2、ThatisJack’sbook.________________________________________3、Iamastudent._________________________________________4、Itismypen.______________________________________________5、Whatisthis?_____________________________________________6、Heisapoliceman._________________________________________7、Thereisagoatinthegarden._________________________________二、把下列复数句变单数句1、Mybooksarenew.________________________________________2、Thesearehisnewfriends.__________________________________3、Thoseglassesareonthetable._______________________________4、Tom’sshirtsarewhite.____________________________________5、Therearesomedesksintheclassroom.________________________________________________________6、Thesearemyfavoritepencils.________________________________2三、请把下列的单数句合并为一句复数句。1.Heisateacher.Sheisateacher,too.2.PaulisFrench.HansisFrench,too.3.Thisbookisinteresting.Thisbookisinteresting,too.4.Thatisanewball.Thatisanewball,too.5.Thatstampispretty.Thatstampispretty,too.6.Thisisadirtytowel.Thisisadirtytowel,too.7.Iamhungry.Iamhungry,too.8.Iamcold.Tomiscold,too.9.Lizishot.Lilyishot,too.四、请把下面的句子变成复数句。1.WhatisitinEnglish?It’sabook.2.What’sthisinEnglish?Thisisadoor.3.What’sthatinEnglish?Thatisaball.4.Whoseisthisapple?It’sBilly’s.5.Whoseisthatletter?It’sSue’s.6.Whoselockeristhat?It’sMissGreen’s.3五、对划线部分提问。1.Weareteachers.2.HeisTom.3.Sheisapolicewoman.4.PeterisAmerican.5.ThosepensareLily’s.6.TheredpenisJohn’s.7.It’snineo’clock.六、按要求写单词。this反义词clean反义词it复数towel复数that复数box复数full反义词long反义词big反义词thin反义词thick反义词this复数child复数kid复数takeout反义词sandwich复数男人复数女人复数is复数he复数us主格her复数them主格they’re原形he’s原形you所有格I所有格